package com.htl.dao;

import com.htl.pojo.Department;
import org.springframework.stereotype.Service;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 * @author hehehe
 * @ClassName DepartmentDao
 * @Description TODO
 * @date 2022/8/8 0008 15:36
 * @Version 1.0
 */

//部门dao
@Service
public class DepartmentDao {

    private static Map<Integer, Department> departments = null;

    static {
        departments =new HashMap<Integer, Department>();
        departments.put(101,new Department(101,"教学部"));
        departments.put(102,new Department(102,"市场部"));
        departments.put(103,new Department(103,"教研部"));
        departments.put(104,new Department(104,"运营部"));
        departments.put(105,new Department(105,"后勤部"));

    }

    //获取所有部门信息
    public Collection<Department> getDepartments(){
        return  departments.values();
    }
    //通过ID获取部门信息
    public Department getDepartmentById(Integer id){
        return departments.get(id);
    }


}
